(6) باب إِفْرَادِ الإِقَامَةِ
It was narrated that Abu Rafi' said:
"I saw Bilal calling the Adhan in fron of Allah's Messenger, (saying the phrases) two by two, and saying each phrase once in the Iqamah." (ES)
Reference (ES): Sunan Ibn Majah 732 (ES)
In-book reference (ES): Book 3, Hadith 27 (ES)
English translation (ES): Vol. 1, Book 3, Hadith 732 (ES)